Company: TU Berlin
Location: London
Job Description:
Jane Street is seeking Software Engineers to design and build the systems and tools that run the firm. You’ll work across trading desks and accounting, building foundational infrastructure and tooling.
The team emphasizes functional programming (OCaml) and uses Python for data analysis, visualization, and machine learning. We actively contribute to open source and support Mercurial, the OCaml compiler, and OPAM, welcoming engineers from any language.
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Posted: October 5th, 2026